Mars Feature List: Crater, craters
Number returned: 937
| Feature Name | Center Lat, Long | Diameter | Origin |
| Aban | 16.10, 111 | 4.20 km | Town in Russia. |
| Achar | 45.80, 123.1 | 5.50 km | Town in Uruguay. |
| Adams | 31.10, 163 | 94.90 km | Walter S.; American astronomer (1876-1956). |
| Ada | -3.00, -3.20 | 1.00 km | Town in Oklahoma, USA. |
| Agassiz | -70.10, -89.00 | 117.70 km | Jean L.; American naturalist (1807-1873). |
| Airy-0 | -5.10, -0.00 | 0.50 km | Small crater within crater Airy that defines zero degrees longitude on Mars. |
| Airy | -5.20, 0 | 41.00 km | George B.; British astronomer (1801-1892). |
| Ajon | 16.70, 103.1 | 8.40 km | Town in Russia. |
| Aki | -35.80, -60.30 | 8.10 km | Town in Japan. |
| Aktaj | 20.60, -46.60 | 4.90 km | Town in Russia. |
| Alamos | 23.50, -37.20 | 6.30 km | Town in Mexico. |
| Albany | 23.20, -49.10 | 2.00 km | American colonial town (New York). |
| Albi | -41.80, -35.10 | 8.50 km | Town in France. |
| Alexey Tolstoy | -47.80, 125.2 | 95.00 km | Aleksey; Soviet writer (1882-1945). |
| Alga | -24.60, -26.70 | 19.20 km | Town in Kazakhstan. |
| Alitus | -35.20, -38.20 | 50.00 km | Town in Lithuania. |
| Amsterdam | 23.20, -47.10 | 1.30 km | Dutch port. |
| Angu | 20.20, 105.6 | 1.80 km | Town in Zaire. |
| Aniak | -32.20, -69.60 | 51.00 km | Town in Alaska, USA. |
| Annapolis | 23.40, -47.80 | 0.40 km | American colonial town (Maryland). |
| Antoniadi | 21.50, 60.8 | 394.00 km | Eugène Michael; Turkish-born French astronomer (1870-1944). |
| Apia | -37.60, 88.9 | 10.50 km | Town in Samoa. |
| Apt | 40.20, -9.60 | 10.00 km | Town in France. |
| Arago | 10.20, 29.8 | 154.00 km | Dominique F.; French astronomer (1786-1853). |
| Arandas | 42.70, -15.10 | 25.10 km | Town in Mexico. |
| Argas | 23.60, -50.30 | 3.70 km | Town in Russia. |
| Arica | -24.00, 110.1 | 15.50 km | Town in Colombia. |
| Arkhangelsky | -41.40, -24.80 | 125.00 km | A.D.; Russian geologist. |
| Arrhenius | -40.30, 122.6 | 129.00 km | Svante; Swedish physical chemist (1859-1927). |
| Arta | 21.60, -54.40 | 4.00 km | Town in Russia. |
| Aspen | -21.60, -23.20 | 20.30 km | Town in Colorado, USA. |
| Aveiro | 21.50, -79.10 | 9.50 km | Town in Portugal. |
| Ayacucho | 38.50, -92.20 | 2.50 km | Town in Bolivia. |
| Ayr | -39.30, 91.5 | 13.00 km | Town in Queensland, Australia. |
| Azul | -42.40, -42.60 | 19.70 km | Town in Argentina. |
| Azusa | -5.60, -40.40 | 41.10 km | Town in California, USA. |
| Babakin | -36.40, -71.60 | 78.00 km | Soviet builder of unmanned space stations (1914-1970). |
| Bacht | 18.90, 102.6 | 8.00 km | Town in Uzbekistan. |
| Bacolor | 33.00, 118.6 | 20.80 km | Town in the Philippines. |
| Bada | 20.50, -50.80 | 2.10 km | Town in Russia. |
| Bahn | -3.50, -43.40 | 12.30 km | Town in Liberia. |
| Bakhuysen | -23.30, 15.6 | 161.00 km | Henricus G.; Dutch astronomer (1838-1923). |
| Bak | 18.30, 103.7 | 3.20 km | Town in Hungary. |
| Balboa | -3.90, -34.00 | 23.30 km | Town in the Panama Canal zone. |
| Baldet | 23.00, 65.4 | 180.00 km | Fernand; French astronomer (1885-1964). |
| Balta | -24.10, -26.60 | 18.20 km | Town in Ukraine. |
| Baltisk | -42.70, -54.70 | 52.00 km | Town in Russia. |
| Balvicar | 16.40, -53.30 | 20.50 km | Town in Scotland. |
| Bamba | -3.40, -41.70 | 23.00 km | Town in Zaire. |
| Bamberg | 40.00, -3.20 | 58.30 km | Town in Germany. |
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